Atmospheric chemistry is a branch of atmospheric science in which the chemistry of the Earth's atmosphere and that of other planets is studied. It is a multidisciplinary field of research and draws on environmental chemistry, physics, meteorology, computer modeling, oceanography, geology, volcanology and other disciplines.

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Atmospheric physics is the application of physics to the study of the atmosphere. Atmospheric physicists attempt to model Earth's atmosphere and the atmospheres of other planets using fluid flow equations, chemical models, radiation balancing and energy transfer processes in the atmosphere.

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Climate encompasses the temperatures, humidity, rainfall, atmospheric pressure, particle count and numerous other meteorological factors in a given region over long periods of time, as opposed to the term weather, which refers to the atmospheric state at any given time.
Global warming is the increase in the average temperature of the Earth's near-surface air and oceans since the mid-20th century and its projected continuation. If your site is about this please submit it to the appropriate category of Climate Change.

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Meteorology is the interdisciplinary scientific study of the atmosphere that focuses on weather processes and forecasting. It is often an inexact science, especially when forecasting is involved, so that predictions often are stated as a percentage of probability.

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